About Ontario
Ontario is a city in southwestern San Bernardino County, California, United States, 35 miles (56 km) east of downtown Los Angeles and 23 miles (37 km) west of downtown San Bernardino, the county seat. Located in the western part of the Inland Empire metropolitan area, it lies just east of Los Angeles County and is part of the Los Angeles metropolitan area. As of the 2020 census, the city had a population of 175,265.
Places to visit in Ontario
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Ontario Mills
Market · 5 mi from centreA very large outlet and retail mall near the airport with discount stores, a cinema and dining, often visited by travelers for bargain shopping. It is convenient for a rainy-day or pre-flight stop.
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Graber Olive House
HistoricA family-run olive cannery operating since the late nineteenth century, offering free tours of its packing plant, a small museum and tastings of its tree-ripened olives.
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Euclid Avenue
HistoricA grand boulevard lined with pepper and palm trees and a wide central median, laid out when the town was founded and now a pleasant route through the historic downtown.
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Mount Baldy
Nature · 16 mi from centreThe highest peak in the San Gabriel Mountains rises north of the valley, with hiking trails, a seasonal ski area and a scenic chairlift for alpine views.
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California Botanic Garden
Park · 7 mi from centreIn nearby Claremont, this garden is devoted entirely to California native plants, with desert, woodland and wildflower areas laced with quiet walking paths. Spring is the best season for blooms.
Where to stay in Ontario
Popular hotels in Ontario, out of 95 properties you can book.
DoubleTree by Hilton Hotel Claremont
From $184 per night
DoubleTree by Hilton Hotel Ontario Airport
From $502 per night
Comfort Inn Suites Near Ontario Airport
From $120 per night
La Quinta Inn Suites by WYNDHAM ONTARIO AIRPORT
From $110 per night
Hampton Inn & Suites Ontario
From $136 per night
Azure Hotel & Suites Ontario, A Trademark Collecti
From $96 per night
Hyatt Place Ontario/Rancho Cucamonga
From $129 per night
Holiday Inn Express & Suites Ontario Airport IHG
From $188 per night
Hilton Garden Inn Fontana
From $174 per night
Hampton Inn & Suites Chino Hills
From $129 per night
Hilton Garden Inn Ontario/Rancho Cucamonga
From $213 per night
Embassy Suites by Hilton - Ontario Airport
From $248 per night
Best time to visit Ontario
Based on recent weather records, the most comfortable time to visit Ontario is April to May and October to December, when average daytime highs are around 69–83°F and rain falls on about 4 days a month.
Average daily low and high temperatures and days with at least 1 mm of rain, from recent weather records. Highlighted months are the most comfortable for sightseeing.
Ontario weather forecast
- Wed 21 Oct 76° 59° 60%
- Thu 22 Oct 68° 62° 92%
- Fri 23 Oct 73° 61° 5%
- Sat 24 Oct 80° 65° 0%
- Sun 25 Oct 83° 68° 0%
- Mon 26 Oct 83° 71° 2%
Know before you go
- Currency
- United States dollar (USD)
- Language
- English
- Calling code
- +1
- Driving
- On the right
- Time zone
- America/Los_AngelesUTC−7
- Capital
- Washington, D.C.
Upcoming public holidays in United States
- Veterans Day
- Thanksgiving Day
- Christmas Day
- New Year's Day
- Martin Luther King, Jr. Day
- Presidents DayWashington's Birthday
Banks, offices and some attractions may close on public holidays, and flights and hotels often fill up early around them.
Getting to Ontario
These are the airports closest to central Ontario. Compare fares into each one, as a slightly longer transfer can sometimes mean a much cheaper flight.
- ONT Ontario International Airport2 mi (3 km) from the city centre
Ontario travel FAQ
When is the best time to visit Ontario?
Based on recent weather records, the most comfortable time to visit Ontario is April to May and October to December, when average daytime highs are around 69–83°F and rain falls on about 4 days a month.
What is the weather like in Ontario?
August is usually the warmest month in Ontario, with average highs of 95°F (35°C). February is the coolest, with average lows of 47°F (8°C). The wettest month is typically February, with about 202 mm of rain.
Which airport is closest to Ontario?
Ontario International Airport (ONT) is the closest airport, about 2 miles (3 km) from the centre of Ontario.
What time zone is Ontario in?
Ontario uses the America/Los_Angeles time zone (currently UTC−7). Remember to check for daylight saving changes when planning connecting flights.
What are the best places to visit in Ontario?
Top sights in Ontario include Ontario Mills, Graber Olive House, Euclid Avenue and Mount Baldy. A very large outlet and retail mall near the airport with discount stores, a cinema and dining, often visited by travelers for bargain shopping. It is convenient for a rainy-day or pre-flight stop.
Where should I stay in Ontario?
Popular areas for hotels in Ontario include Ontario. Well-reviewed options include DoubleTree by Hilton Hotel Claremont and DoubleTree by Hilton Hotel Ontario Airport.
How many hotels can I book in Ontario?
Destina Holidays currently lists 95 properties in and around Ontario, from budget stays to luxury hotels. Search your dates to see live prices and availability.
